From e16b38f71322efd8a221f64b6ddc0748d21d2e1a Mon Sep 17 00:00:00 2001
From: Greg Banks <gnb@melbourne.sgi.com>
Date: Mon, 2 Oct 2006 02:17:40 -0700
Subject: [PATCH] [PATCH] cpumask: export cpu_online_map and cpu_possible_map
consistently
cpumask: ensure that the cpu_online_map and cpu_possible_map bitmasks, and
hence all the macros in <linux/cpumask.h> that require them, are available to
modules for all supported combinations of architecture and CONFIG_SMP.
Signed-off-by: Greg Banks <gnb@melbourne.sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
arch/arm/kernel/smp.c | 2 ++
arch/cris/arch-v32/kernel/smp.c | 1 +
arch/sh/kernel/smp.c | 1 +
kernel/sched.c | 3 +++
4 files changed, 7 insertions(+)
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 68e9634d260..421329f5e18 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -36,7 +36,9 @@
* The online bitmask indicates that the CPU is up and running.
*/
cpumask_t cpu_possible_map;
+EXPORT_SYMBOL(cpu_possible_map);
cpumask_t cpu_online_map;
+EXPORT_SYMBOL(cpu_online_map);
/*
* as from 2.5, kernels no longer have an init_tasks structure
diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c
index 464ecaec3bc..2d0023f2d49 100644
--- a/arch/cris/arch-v32/kernel/smp.c
+++ b/arch/cris/arch-v32/kernel/smp.c
@@ -28,6 +28,7 @@ spinlock_t cris_atomic_locks[] = { [0 ... LOCK_COUNT - 1] = SPIN_LOCK_UNLOCKED};
/* CPU masks */
cpumask_t cpu_online_map = CPU_MASK_NONE;
+EXPORT_SYMBOL(cpu_online_map);
cpumask_t phys_cpu_present_map = CPU_MASK_NONE;
EXPORT_SYMBOL(phys_cpu_present_map);
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 6c0fb7c4af1..dbebaddcfe3 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -42,6 +42,7 @@ cpumask_t cpu_possible_map;
EXPORT_SYMBOL(cpu_possible_map);
cpumask_t cpu_online_map;
+EXPORT_SYMBOL(cpu_online_map);
static atomic_t cpus_booted = ATOMIC_INIT(0);
/* These are defined by the board-specific code. */
diff --git a/kernel/sched.c b/kernel/sched.c
index 2bbd948f016..e4e54e86f4a 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4384,7 +4384,10 @@ EXPORT_SYMBOL(cpu_present_map);
#ifndef CONFIG_SMP
cpumask_t cpu_online_map __read_mostly = CPU_MASK_ALL;
+EXPORT_SYMBOL(cpu_online_map);
+
cpumask_t cpu_possible_map __read_mostly = CPU_MASK_ALL;
+EXPORT_SYMBOL(cpu_possible_map);
#endif
long sched_getaffinity(pid_t pid, cpumask_t *mask)
--
2.41.3